SudzFD
Active Member
It’s not coralline. It’s diatoms. It’s a sign of tank cycling. It happens at the beginning mostly. You will have it everywhere. It’s not harmful but annoying.
First saltwater tank.
- Nano Build
- Thread starter Unitylover
- Start date
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Unitylover
Valuable Member
is cyano pink and purpleish?
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Unitylover
Valuable Member
those pics are old pics.
SudzFD
Active Member
The fish could be suffering from early ammonia spikes depending on when they were added during this process. Clowns are hearty but still prone to disease when stressed. Remember when you test it captures that moment in time. But numbers fluctuate constantly and ammonia especially fluctuates in a brand new tank.
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Unitylover
Valuable Member
Im not by my tank rn, Ill get a pic around 3 o clockish
SudzFD
Active Member
Yes cyano is that color. Corraline algae is purple crusty and hard like calcium. Also not sure how it would have gotten into your tank with dead rock. It takes many months to develop. I’m sure it’s cyano.
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Unitylover
Valuable Member
I added them when my test read no ammonia or nitrites and like 20ppm nitrates.
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Unitylover
Valuable Member
ooooohhh, its prob cyano, should I scrub it off?
SudzFD
Active Member
How many days in was that?
SudzFD
Active Member
Yes you can scrub it/siphon it. Turn your light on less also.
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Unitylover
Valuable Member
a week and a half, I had a pre established freshwater tank so I used that cartridge, because whats the worst that could happen.
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Unitylover
Valuable Member
also, I meant SHOULD I scrub it? I like how it looks, so I should I keep it until corralline starts to grow?
SudzFD
Active Member
You might be seeing the worst that can happen with sick fish. 10 days is too early. While the tank had begun to cycle, it could not keep up with the bio load of your fish.
At this point. I hope your fish survive. Are you medicating them?
SudzFD
Active Member
You do not have to as far as diatoms. Cyano can take over so I would work on removing it.
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Unitylover
Valuable Member
I have, and the spots are going away.
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Unitylover
Valuable Member
If the spots come back again, Ill do hypo. I dont want to, but I will if I have to
Bribo12
Well-Known Member
Sw and fw bacteria are different. Adding a preestablished fw cartridge to sw will do nothing. How did you cycle the tank? Cyano will choke out corals if left unchecked. I’d lower your light cycle, check flow and monitor nitrate and phosphate. Your tank is also going through the uglies so it will go through various algae stages. Are you using rodi?
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Unitylover
Valuable Member
I dont have any corals, nor do I have an RODI system, I also cant afford one due to being broke from the tank setup, to buying the fish, salt, and hermits.
(also, Ill take an hour off my light cycle)
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